1 and 2 step Mole Conversions

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

• 48 g/mole
• 34.02 g/mole
• 36.5 g/mole
• 35.5 g/mole

How many moles are in 16.94g of water?

• 16.94 mol H₂O
• 0.9401 mol H₂O
• 305.3 mol H₂O
• 1.063 mol H₂O

What is the mass in grams of 5.90 mol C₈H_18?

• .0512 g
• 19.4 g
• 673 g
• 389 g

How many moles are in 19.82 g Mg? 

• 1.226mol Mg
• 481.7mol Mg
• 1.000mol Mg
•  0.8156 mol Mg

Determine the molar mass for carbon tetrachoride (CCl₄)

• 153.823 g/mol

• 118.37 g/mol

• 189.35 g/mol

• 47.464 g/mol

How many molecules are in 9.44 moles of AlCl₃?

• 5.68 molec AlCl₃
• 5.68x10²⁴ molec AlCl₃
• 0.705 molec AlCl₃
• 1.25x10²³ molec AlCl₃

How many moles are 2.85 x 10¹⁸ atoms of iron?

• 4.73 x 10^-6 moles
• 1.72 x 10⁴² moles
• 1.72 x 10^-42 moles
• 4.73 x 10⁶ moles

How many moles of copper are 4.57 x 10¹⁵ atoms of copper?

• 7.59 x 10^-9 moles
• 2.75 x 10^-33 moles
• 7.59 x 10⁹ moles
• 2.75 x 10³³ moles

How many formula units are there in 2.45 moles potassium chloride?

• 4.07 x 10^-24 
• 1.47 x 10²⁴ 
• 1.47
• 4.07

How many atoms are in 3.56 grams of copper?

• 0.34 atoms

• 1.07 x 10²⁵ atoms

• 3.37 x 10²² atoms

• 3.76 x 10^-23 atoms